Survey Identifier: IG1201


Format Acronym: MGD77
Data Center File Number: 10020005
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19880609
Source Institution: UT INSTITUTE FOR GEOPHYSICS
Country: U.S.A.
Platform Name: R/V IDA GREEN
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): J. WATKINS
Project: MC SEISMIC INVESTIGATIONS OF SEA FLOOR MINERALS GOM I
Funding: DOE
Survey Departure Date (yyyymmdd): 19740918
Port of Departure: GALVESTON TEXAS USA
Survey Arrival Date (yyyymmdd): 19741003
Port of Arrival: VERACRUZ MEXICO
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE, DEAD RECKONING
Bathymetry Instrumentation: 12 KHZ ECHOSOUNDER
Additional Forms of Bathymetric Data: ANALOG RECORDS, MICROFILM
Magnetics Instrumentation: PROTON PRECESSION MAGNETOMETER
Additional Forms of Magnetics Data: ANALOG CHART RECORD, 35MM MICROFILM
Seismic Instrumentation: 24 CHANNELS 8000-FT ARRAY 2-1700 CI AIRG
Formats of Seismic Data: MYLAR, PAPER, NEGATIVE
Topmost Latitude of Survey: +30
Bottommost Latitude: +19
Leftmost Longitude: -098
Rightmost Longitude: -093
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1,1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 050
Magnetic Sensor Tow Distance: 250.
Reference Field Code: 03
Reference Field: IGRF 65
Additional Documentation: MULTICHANNEL SEISMIC LINES ACQUIRED: WG-1,3,5,6
Number of Data Records: 3684

Min/Max Data Record:
Date: 1974 09 19
Latitude: +19.29310
Longitude: -97.41710
Bathymetry, Corrected Depth: 25.0
Magnetics Total Field, 1st Sensor: 446510
Magnetics Residual Field: -02940

Min/Max Data Record:
Date: 1974 10 03
Latitude: +29.10010
Longitude: -93.15380
Bathymetry, Corrected Depth: 3674.0
Magnetics Total Field, 1st Sensor: 501470
Magnetics Residual Field: -00910